1. Roy Keane

'Keano' produced some inspirational shifts and frightened opponents during his United career - something they are trying to reenact.

Marouane Fellaini is tipped to be United's next enforcer yet will need time to adapt, as the recent Manchester derby illustrated. 

Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms